Chemistry, 03.01.2020 01:31 hadilalhjajih
Identify and explain what can be done to reverse some of the threats posed by a lack of water availability in certain parts of the world.
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Chemistry, 22.06.2019 21:40
Tooth enamel consists mainly of the mineral calcium hydroxyapatite, ca_10(po_4)_6(oh)_2. trace elements in teeth of archaeological specimens provide anthropologist with clues about diet and diseases of ancient people. students at hamline university measured strontium in enamel from extracted wisdom teeth by atomic absorption spectroscopy. solutions with a constant total volume of 10.0 ml contained 0.726 mg of dissolved tooth enamel plus variable concentrations of added sr. added sr find the concentration of sr in the 10 ml sample solution in parts per billion = ng/ml. find the concentration of sr in tooth enamel in parts per million = mu g/g.
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Chemistry, 22.06.2019 22:30
What methods could you use to solubilize calcium carbonate
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Chemistry, 23.06.2019 03:30
If 2 molecules of one reactant combine with 3 molecules of another to produce 5 molecules of a product, then what is the representation of the reaction?
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Identify and explain what can be done to reverse some of the threats posed by a lack of water availa...
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